See also:

Utility
With all that power under the M-Class' hood, along with its sporty nature and comfortable cabin, it's easy to forget this is still an SUV. That means the M-Class better do a good job of hauling th ...

Charging the batter
WARNING   Never charge a battery still installed in the vehicle unless a battery charger unit approved by Mercedes-Benz is being used. Gases may escape during charging and cause explosio ...

Unlocking the driver's door (mechanical key)
If the vehicle can no longer be unlocked with the SmartKey, use the mechanical key. If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system will be trigg ...